CVE-2025-38113

Description

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Fix NULL pointer dereference when nosmp is used With nosmp in cmdline, other CPUs are not brought up, leaving their cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu() dereferences these NULL pointers, causing panic. Panic backtrace: [ 0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 ... [ 0.403255] [<ffffffff809a5818>] cppc_allow_fast_switch+0x6a/0xd4 ... Kernel panic - not syncing: Attempted to kill init! [ rjw: New subject ]

Reserved 2025-04-16 | Published 2025-07-03 | Updated 2025-07-03 | Assigner Linux

Product status

Default status
unaffected

3cc30dd00a580ca0c9c0b01639841cfd72d10129 before 356d09c7f5bf525086002a34f8bae40b134d1611
affected

3cc30dd00a580ca0c9c0b01639841cfd72d10129 before c6dad167aade4bf0bef9130f2f149f4249fc4ad0
affected

3cc30dd00a580ca0c9c0b01639841cfd72d10129 before 32a48db4cf28ea087214c261da8476db218d08bd
affected

3cc30dd00a580ca0c9c0b01639841cfd72d10129 before 1a677d0ceb4a5d62117b711a8b2e0aee80d33015
affected

3cc30dd00a580ca0c9c0b01639841cfd72d10129 before 15eece6c5b05e5f9db0711978c3e3b7f1a2cfe12
affected

Default status
affected

5.19
affected

Any version before 5.19
unaffected

6.1.142
unaffected

6.6.94
unaffected

6.12.34
unaffected

6.15.3
unaffected

6.16-rc2
unaffected

References

git.kernel.org/...c/356d09c7f5bf525086002a34f8bae40b134d1611

git.kernel.org/...c/c6dad167aade4bf0bef9130f2f149f4249fc4ad0

git.kernel.org/...c/32a48db4cf28ea087214c261da8476db218d08bd

git.kernel.org/...c/1a677d0ceb4a5d62117b711a8b2e0aee80d33015

git.kernel.org/...c/15eece6c5b05e5f9db0711978c3e3b7f1a2cfe12

cve.org (CVE-2025-38113)

nvd.nist.gov (CVE-2025-38113)

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